Structure of PDB 1rxo Chain B Binding Site BS02

Receptor Information
>1rxo Chain B (length=455) Species: 3562 (Spinacia oleracea) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
ASVGFKAGVKDYKLTYYTPEYETLDTDILAAFRVSPQPGVPPEEAGAAVA
AESSTGTWTTVWTDGLTNLDRYKGRCYHIEPVAGEENQYICYVAYPLDLF
EEGSVTNMFTSIVGNVFGFKALRALRLEDLRIPVAYVKTFQGPPHGIQVE
RDKLNKYGRPLLGCTIKPKLGLSAKNYGRAVYECLRGGLDFTKDDENVNS
QPFMRWRDRFLFCAEALYKAQAETGEIKGHYLNATAGTCEDMMKRAVFAR
ELGVPIVMHDYLTGGFTANTTLSHYCRDNGLLLHIHRAMHAVIDRQKNHG
MHFRVLAKALRLSGGDHIHSGTVVGKLEGERDITLGFVDLLRDDYTEKDR
SRGIYFTQSWVSTPGVLPVASGGIHVWHMPALTEIFGDDSVLQFGGGTLG
HPWGNAPGAVANRVALEACVQARNEGRDLAREGNTIIREATKWSPELAAA
CEVWK
Ligand information
Ligand IDCA
InChIInChI=1S/Ca/q+2
InChIKeyBHPQYMZQTOCNFJ-UHFFFAOYSA-N
SMILES
SoftwareSMILES
CACTVS 3.341[Ca++]
ACDLabs 10.04
OpenEye OEToolkits 1.5.0		[Ca+2]
FormulaCa
NameCALCIUM ION
ChEMBL
DrugBankDB14577
ZINC
PDB chain1rxo Chain B Residue 477 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB1rxo The structure of the complex between rubisco and its natural substrate ribulose 1,5-bisphosphate.
Resolution2.2 Å
Binding residue
(original residue number in PDB)		K201 D203 E204
Binding residue
(residue number reindexed from 1)		K193 D195 E196
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) D203 E204 H294 H327 K334
Catalytic site (residue number reindexed from 1) D195 E196 H286 H319 K326
Enzyme Commision number 4.1.1.39: ribulose-bisphosphate carboxylase.
Gene Ontology
Molecular Function
GO:0000287 magnesium ion binding
GO:0004497 monooxygenase activity
GO:0016829 lyase activity
GO:0016984 ribulose-bisphosphate carboxylase activity
GO:0046872 metal ion binding
Biological Process
GO:0009853 photorespiration
GO:0015977 carbon fixation
GO:0015979 photosynthesis
GO:0019253 reductive pentose-phosphate cycle
Cellular Component
GO:0009507 chloroplast

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:1rxo, PDBe:1rxo, PDBj:1rxo
PDBsum1rxo
PubMed9034362
UniProtP00875|RBL_SPIOL Ribulose bisphosphate carboxylase large chain (Gene Name=rbcL)

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